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Table 1 The pyrolysis products of the succinite reference, and of the most representative samples from the three different sites (Atri, Novilara, Apollonia) and from the Fountain

From: Analytical pyrolysis with in-situ silylation, Py(HMDS)-GC/MS, for the chemical characterization of archaeological and historical amber objects

Number of peak Name of the compound M.W. Succinite reference Atri 35 Spurious Novilara Disc Apollonia (surface sample) Fountain
1 3-Carhene 136
2 Camphene 136
3 1,2,3 trimethylbenzene 120 - -
4 m-Cymene 134 -
5 unknown 154? - - -
6 p-Cymene 134
7 Propanoic acid 2TMS 234
8 L-Fenchone 152
9 Fenchol 154
10 Camphor 152
11 Isoborneol 152  
12 Borneol 154
13 Borneol (TMS) 226
14 Benzoic acid (TMS) 194
15 unknown 226?
16 unknown 178?
17 unknown 178? -
18 Succinic acid (2TMS) 262
19 unknown 204 -
20 unknown   -
21 (1S, 4aS)-1, 4a, 5, 6-tetramethyl-1,2,3,4,4a,5,8,8a-octahydronaphtalene 192
21 (1R, 4aS)-1,4a,6-trimethyl- 1,2,3,4,4a,5,8,8a-octahydro 5- methylene naphtalene 190
22 (1S, 4aS)-1, 4a, 5, 6-tetramethyl-1,2,3,4,4a,5,8,8a-octahydronaphtalene 192
23 (1R, 4aS)-1,4a,6-trimethyl- 1,2,3,4,4a,5,8,8a-octahydro 5- methylene naphtalene 190 - -
24 unknown 202 -
25 1,2,3,4-tetrahydro-1,6,8-trimethyl naphthalene 174 -
26 (4aS, 8 aS)- 1,1,4a,5,6-penthamethyl 1,2,3,4,4a,7,8,8a,-octahydro-l-naphthalene 206 -
27 (4aR, 8aR) 1,1,4a, 6, tetramethyl-5-methilene 1,2,3,4,4a,5,8,8a,.octahydroNapthalene 204
28 unknown 202 - -
29 unknown   - - -
30 unknown 204? - -
31 unknown  
32 unknown  
33 unknown  
34 1,4 a,6,trimethyl-1,2,3,4,4,a,5,8,8a, octahydronaphtalene-1-carboxylic acid (TMS) 294
34 1,4 a,6,trimethyl-1,2,3,4,4,a,7,8,8a, octahydronaphtalene-1-carboxylic acid (TMS) 294 -
35 1,4 a, 5, 6, tetramethyl- 1,2,3,4,4a,7,8,8a, -octahydronaphtalene-1-methanol (TMS) 294 -
36 1,4 a, 6, trimethyl-5-methylene-1,2,3,4,4a,5,8,8a, -octahydronaphtalene-1-methanol (TMS) 292 - -
37 unknown  
38 unknown  
39 unknown  
40 unknown   - -
41 unknown  
42 unknown   - - -
43 Palmitic acid (TMS) 328 - -
44 unknown   - - -
45 unknown 374   - - -
46 Pimaric acid (TMS) 374 -
47 Isopimaric acid (TMS) 374 - -
48 Unknown diterpene 376 - - - -
49 Unknown diterpene 374 - - - -
50 Unknown diterpene 374 - - -
51 Unknown diterpene 374 - - - -
52 Unknown diterpene 374 - - - -
53 Unknown diterpene 372 - - - -
54 Dehydroabietic acid (TMS) 372 - -
55 Abietic acid (TMS) 374 - - -